Stop pesky dog barking anywhere with the Sunbeam little sonic egg. With the press of a button, This handheld ultrasonic bark-control device emits a pet-safe sound that only dogs can hear—a method used by professional dog trainers will deter dogs of any breed from annoying barking. This battery-operated device works within a 15-foot radius; is perfect for home, walks, or travel; and comes with an adjustable wrist strap.